Glassworking apparatus



June 27, 1950 c. A. scHucK GLAS SWORKING APPARATUS 4 Sheets- Sheet 1Filed March 14, 1945 Imnentor Cfi/HELES ,4. Jcnuczc (Ittornegs June'27,1950 c. A. scHucK GLASSWORKING APPARATUS Filed March 14, 1945 4Sheets-Sheet 2 June 27, 1950 c. A. scHucK GLASSWORKING APPARATUS 4SheetsSheet 3 Filed March 14, 1945 lhmentor SCHUCK CunleLEs A GttomepJune 27, 1950 c, sc uc 2,512,811

GLASSWORKING APPARATUS Filed March 14, 1945 4 Sheets-Sheet 4 All? su 1.x

' V I m ISmnentor l 1 /48 I. CI-IHEL f5 14. Jaw/0c Gttornegs PatentedJune 27, 1950 GLASSWORKING APPARATUS Charles A. Schuck, Corning, N. 17.,assignor to Gaming Glass Works, Corning, N. Y., a corporation of NewYork Appiicati'on March 14, 1945, Serial No. 582,745

7 Claims. (01'. 49--5) The present invention relates to a glass workingapparatus and particularly to a novel drive arrangement forsynchronously operating a plurality of separate glass Workingassemblies:

An object of the invention is a simple, compact efiicient and dependabledrive for a plurality of working units.

Another object is a glass working machin of large production capacitycompared to the floor space it requires.

Other objects :and features of the invention will become evident uponfurther perusal of the dis-' Closure.

In the accompanying drawings:

Fig. 1 is a plan view, with certain parts broken away and certain partsin section, of a machine embodying the invention;

Fig. 1a is an enlarged fragmentary view, partly in section, of thefeeding trough arrangement for the machine;

Fig. 2 is a sectional elevation with certain parts broken away, takengenerally along line 22 of Fig. 1;

Fig. 2a. is an enlarged sectional view taken on line 2 a--2a of Fig. 2illustrating structural de-' tails of a mold and associated pressingmechanism;

Fig. 2b is an enlarged fragmentary detail of a plunger turret liftingdevice of the machine;

Fig. 2c is anenlar'ged sectional view taken on line 2c2c of Fig. 2;

Fig. 3 is a sectional plan view illustrating the table drive and lockingarrangement for the machine;

Fig. 4 is :an enlarged sectional view taken on line 44 of Fig. 3';

Fig. 5 is a sectional view taken on line 5-=5 of Fig. 4; I

Fig. 6 is a side elevation partly in section of a fragment of themachine showing the conveyer drive arrangement;

Fig. 7 is a piping diagram for the machine;

Fig. 7a is an enlarged section-a1 view of a con' trol valve used on themachine; I

Fig. 7b is an enlarged sectional view of a pilot or line valve used onthe machine.

General description The instant disclosure embodies the invention in aglass pressing assembly wherein three similar rotating table pressesequipped with Geneva type driven elements or wheels 38 38' (Fig. 3) aregrouped in liker'el'ati on about a central or main table drive shaft it.A drive roller 42" supported 2 between arms 4| of a single drive unit 26(Figs. 2, 3, 4i and 5) carried by shaft 16 is succesively cooperativewith drive channels d3 G3 of wheels 3B -38 of the respective presses tosuccessively turn their mold tables 55 -55 (Fig. 7) about theirsupporting columns 22 ---22 as required to index their molds 55 6 atloading, pressing and unloading positions. The single drive unit 2 6 hasassociated therewith a locking cam 39 which looks two of the wheels 38-38 against turning while the remaining wheel is being driven.

Each of the mold tables 55 55 (Fig. 7) has a three plunger pressingturret like turret of table 55 (Figs. 1 and 2) cooperative with a singlepressing ram. like ram 91 Figs. 2 and 2a, associated with turret 85,turret 85 being so geared to the table that its pressing plungers areadvanced in succession to a position under ram 91 (Figs. 2" and 2a).

Molds Mi -56 of the respective tables 55 -55 (Fig.- '7) are supplied insuccession with glass charges sheared from a stream of glass from aforehearth outlet (not shown) aligned over a distributing member 8|(Figs. 1 and 2) carried at the top of the drive shaft I6 whichsuccessively brings member 8] into register with chutes leading to moldsin the charging positions of the respective tables 55 -55 The operationof the shears (not shown) is under control of a pilot valve I32 (Figs.1, 2, and 7) actuated by a three-lobe cam 130 carried by shaft 1 6.Operation of pressing rams 97 -9 E of the respective tables in propersequence to efiect lowering of the rams is by means of control valvesl25 -=l25 (Figs. 1 and '7) under influence of pilot valves l2l "l2l(Figs. 2 and '7) adapted to be operated in succession by a lobe 128 onthe under side of the shear control cam liili. Valves l25 are actuatedto effect raising Of the rams 9'I -8l by means of a cam lit having asingle lobe 126 also carried by shaft it. On the sides of the tablesopposite those at which pressing is done (Figs. 1., 2 and 7) shove-upunits '82 82 (Figs. 1, 2 and 7) are provided to lift mold valves, suchas valve 52 (Fig. 2a), to clear articles from the molds, whereuponblasts of air from nozzles l42 -l42 (Fig. 7) deliver the articlesthrough a delivery trough such as EM (Fig. 1) onto a conveyor H5 (Fig.1)surrounding all three table presses. Spray guns Ia, 2a, to (Fig. 7) areassociated with the" respective tables '35 -5 5 as required to directlubricating and cooling sprays toward the respective pmngersst thereof(Fig. 20.) seen following their use :and-

ib; 2b and 3b are provided for similarly treating the molds 3 5 -56 andtheir valves such as 58 while at their unloading positions.

The raising and lowering movements of the shove-up units 82 B2 are underthe influence of control valves -I35 I35 and their associated pilotvalves I36 I3Ii and wil -I33 (Fig. '7), adapted to be actuated by camsI3I ---I3'I of the respective tables 55 55 The supplying of forrendering the spray guns Ia, 2a, 3a, and Ib, 2b and 3b effective isthrough valves I4I I4I which are also adapted. to be actuated by thetable cams. The arrangement is such that operation of a shove-up unit ofany table and of the associated spray guns is rendered effective duringindexing movements of the remaining two tables.

The pilot valves I2'I -I2l l36 I36 I39 I39 and I4I I iI (Fig.7) areidentical in form and accordingly a description of valve I36 (Fig. 7b)will sufiice. Valve I36 is of the ordinary poppet type comprising ahousing I43 having inlet and outlet ports I48 and I49 with the passagetherebetween normally closed by a valve element held on its seat by aspring I41 and adapted to be opened by engagement of its stem I46 with acam or the like. Valves 'I2I I2'I and valves I3I5 I3l5 and I39 I39 havetheir outlet ports open to atmosphere, whereas the outlet ports ofwalves I4I I4 I serve as the air supply ports for spray guns Ia, Ib, 2a,2b, 3a and 3b. The way in which valve I32 is employed depends, ofcourse, on the type of shear control equipment associated therewith.

Valves I35 -I35 are alike and of conventional form. Referringparticularly to Fig. 7a, valve I35 comprises a cylinder I50 containing apiston I38 of the balanced type and having an air inlet port I5I,pneumatic unit air supply ports I34 and .I34'. valve control ports I33and I33, and the usual exhaust ports 1:. In this type of valve air isconstantly supplied to port I5I and through miniature apertures I52 andI52 therein to the respective ends of cylinder I50 so that as long asthe pilot valves connected to ports I33 and I33 remain closed, pistonI38 remains in the position to which it has last moved. When thisbalance is temporarily destroyed by opening of :a, pilot valveassociated with the opposite end of the control valve, the piston shiftsto such opposite end of cylinder I58. The piston 138 in one positionsupplies operating air to one pneumatic unit via a passage therein, notshown, but in communication with passage I38 and inlet port I 5| andconnects the other end of such unit to atmosphere via passages I34, I38"and one of the exhaust ports .11. With the piston I38 in its alternativeposition, air is supplied through port I34 to the unit and is exhaustedfrom the unit through port I34 and valve passage I38 and the remainingexhaust port :1:.

For a more thorough description of a valve such as I35 see GoodrichPatent 2,267,236, granted December 23, 1941. Valves WE -I differ fromvalves 'I.35 I 35 only in that a pilot valve similar to valve I36 isincorporated in one end of the same structure. In other words, avalve'such as valves I25 I25 may be made by connecting port I33 or I33of a valve, such as I35 direct to port I48 of a valve such as I 36General structural and drive arrangement The machine for convenience ofportability comprises a wheeled carriage II (Fig. 2) having a bed I'2carrying a, base I3 provided with a centrally disposed hub I4 containinga bearing I5 serving the lower end of table drive shaft I6.

.4 symmetrically arranged with respect to hub I4 are similar housingssuch as 2| (Fig. 2) for the three fixed columns 22 22 (Figs. 1, 2 and 3)about which the wheels 38 -38 and their associated mold tables -435rotate. Shaft I6, just above its bearing I5, has keyed thereto the tabledriving and locking unit 26 which has boltedthereto a worm wheel 21 inmesh with a drive worm'28 carried by a main drive shaft 29 continuouslydriven by a, motor 30 (Fig. i). As will be evident from an inspection ofFig. 3, roller 42 of drive unit 26 is adapted to successively travel inchannels 43 43 of wheels 33 38 to successively drive them instep-by-step fashion while the semi-circular locking tooth 39 (Figs. 3,4, and 5) is adapted to mesh with two of the semi-circular lockingchannels 40 -40 of wheels 38 -38 surrounding the shaft I6 while theremaining wheel is being driven. This is accomplished by providing thelocking tooth 39 with a surface which extends through 240 of the circlesurrounding shaft I5 formed jointly by one each of channels 4B 40 sothat one of the wheels 38 -38 is locked against rotation until thetrailing end of tooth 39 has passed clear of the first encountered halfof one of such locking channels. This is illustrated in Fig. 3 where itwill be observed the drive roller 42 is shown entering a drive channel43 of the wheel 38 It will be evident from the foregoing that Wheels 38-48 are positively locked against rotation while the remaining wheel 38is being turned and further, because of the shown relationship of thedrive channels 43 and 43 of the last driven wheel 38 and the next wheel38 to be driven, that unlocking of wheel 38 only occurs concurrent withits being placed under control of the drive roller 4'2.

Table assemblies Each mold table is supported in accordance with theshowing of table 55 which is supported on a flange 52 of a sleeve 33arranged about its column 22 supported on a thrust bearing 23 (Fig. 2)resting on the column housing 2I. Flanged sleeve 33 near its lower endcarries a ring gear 34 in mesh with a. spur gear 35 carri d by the shaft86 of the plunger turret 85. As will be understood, each time wheel 38is turned to index a difierent mold under ram an it turns turret asrequired to index a different plunger (Fig. 2a) under ram 91 The sleeve33 also intermediate its ends has a flange 50 co-operative with a, cover5I. Table 55 is, in the present illustration, equipped with block molds56 although the structure may be readily modified to employ other typesof molds. Each such mold is carried by an insert such as 51 (Figs. 2 and2a) fitting into a suitable aperture in the table. If desired, otherinserts may be substituted for insert 5'? as required to accommodatedifferent size molds or the inserts may be dispensed with entirely if alarge enough mold is used. Each mold is equipped with a valve 58 havinga stem 59 fitted into a pusher 60 (Fig. 2) projecting through theunderside of the table and adapted to be lifted by the push-up unit atthe unloading position.

Mold temperature control As characteristic of each of the three tablepresses, a cavity 6i below each mold 55 (Fig. 2) is in communicationwith a bored out upper portion of the associated column 22 via a port 20through the column wall which at its upper end is connected with atemperature controlling fluid supply pipe IT. A passage 62 is providedfor each ward pressure of unit 88 mold cavity BI and is adapted to bebrought into alignment with the ports '20 so that in any indexedposition of the table each passage 62 is in alignment with a portentering a cavity BI. That of the ports 20 which is aligned adjacent amold indexed at the loading position is blocked by a plug 64 (Figs. 2and 20) attached to the lower end of a rod l4 projected down into thebore of column 22 Manually operable dampers I5 are also provided inpassages 62 to individually regulate the amount of fluid supplied to themolds in accordance with their indexed positions. The molds shown do notrequire forced cooling or heating and therefore are not vented althoughfluid supplied to them can pass through the space 58 surrounding thevalve 58 and thus cool the molds to a limited extent.

Mold Charging An upper bearing support 66 (Fig. 2) for shaft l Itbridges the columns 22 -42 and has suspended therefrom a funnel such as61 for each mold table 55 55 Each funnel 6'! is attached to a carrier 68vertically slidable on posts 69 and 8t secured at their upper ends tosupport 68. Each carrier I53 is provided with a roller I9 which ridesover a cam track II carried by shaft It. It will be understood thereforethat the funnels such as 6'! are raised and lowered in succession asshaft I6 is rotated, being lowered into close proximity to molds 56 -56to assure the charges being properly guided into the molds. Mold chargesenter the funnels such as 61 through troughs such as 18 (Figs. 1a and 2)passing through suitable apertures in support 66 and arranged inalignment with elbows such as, H and the associated guide trough 1'!arranged on a plate 19 carried by posts such as 80 threaded into support66. As previously stated, molds 56 -56 are charged with gobs of glasssheared from a stream flowing from a forehearth (not shown) Whose bottomoutlet is aligned over the input end of the distributing trough 8|(Figs. 1 and 2) which delivers them into the respective guide troughsTI. The shearing of charges is accomplished in any conventional mannerunder control of the shear pilot valve I32 and, as illustrated in Fig.'7, cam I has shear control lobes I3I I3I so that during a singlerevolution of shaft I 9 not only is each table indexed as alreadydescribed, but also three charges of glass are severed so that a mold ofeach table receives a charge.

Pressing The previously mentioned plunger turrent 85 (Figs. 1 and 2) andits tubular drive shaft 86 are carried by the drive rod 8'! of apneumatic unit 88 mounted on a support 89 bridged between the nearbycolumn 22 and a conveyer supporting column 90. Air is continuouslysupplied to the lower end of unit 93 to normally hold the turret 85 inthe position in which it is shown. Each pressing plunger 95 (Figs. 1 and20.) carried by turret 85 is surrounded by a mold. ring assembly 96suspended from turret 85 by bolts 9| slidable in apertures therethrough.Lowering of a plunger 95 in alignment with a mold 56 and of the entireturret 85 is effected by the ram 91 which comprises the lower end ofdrive rod 98' of pneumatic unit 59 arranged on support 89, unit 99 beingpowerful enough to overcome the up- Ram 91 is surrounded by a flanged.ring IOI adapted to engage bolts 9|. as the ram lowered and to move mold6.. ring 96- down under compression of a spring mi; The bottom end ofram 91 is tapered at 94 to fit a tapered cavity I00 in plunger 95 toassist in proper alignment of the parts during operation. Also thetaper94 of ram 91 is a guard against damage of the parts should the turret beturned while the ram is still on a plunger 95.- The air continuouslyapplied to the unit 88 of turret 85 raises it as soon as ram 91restores. Obviously, it isvital that the turret 85 be raised prior to anindexing movement, as otherwise movement of the mold 56 in interferedwith by association of a plunger 95 and mold ring 96 therewith.Accordingly,. the pneumatic unit 88 is notentirely depended upon for theraising of turret 85. In addition there is provided a shaft I05 (Figs.1, -2, and 22)) having at one end an arm I96 (Fig. 227) connected by alink I06 to a turret lifting arm I 07 arranged under the lower end of ashaft Hi3 depending from turret drive gear 35. The other end of shaftI05 is provided with an arm I09 (Fig. 2) having on its free end a rollerI Ill adapted to travel on a crown cam I. I I arranged to be rotated byshaft IS. The contour of cam III is such that upon the indexing movementof one table, the arm I99 of the table at which pressing last took placefunctions to turn its shaft I05 as required to cause its arm I Ill toraise its turret 85 if for any reason its respective pneumatic unit 88-88 has failed to previously perform such function. I

The pneumatic units 99 99 (Fig. 7) which, through the medium of theirrams 97 -91 lower their pressing plungers such as 95, are supplied withoperating air through their control valves I25 I25 which, as previouslymentioned, shift to supply air to lower their rams 97 -91 under theinfluence of their pilot valves [Ti -I21 (Figs. 2 and 7) which are sopositioned as to be actuated in succession by cam lobe I28 which isadjustably arranged as at I23 on the under side of cam I311. The singlelobe I28 of cam I26 (Figs. 2 and 7) is provided for controllingtheshifting of valves I25 I25 to a position to supply air to units 99 9'9to raise their rams 91 -411 cam I26 being carried by a flanged collarI29 adjustably clamped at I29" to table drive shaft I6.

Unloading The mold valve shove-up units 82' -82 (Figs.- 2 and. 7) aremoved up and down by air supplied to them through control valves I35 I35Shifting of any Valve WE -Hi5 to supply air to raise its associatedshove-up unit 92 -82 is under control of the pilot valve I35 -I 36 of.the next table to be indexed. For example, the shove-up control valveHi5 associated with the table 55 (Fig; 7") is shifted to supply air tomove its unit 82 up when the pilot valve I3'6 'of table: 55 is actuated.Actuation of the pilot valve I'Iiii is by means of table cams I31Shifting. of any shove-up control valve I 35 I=3'5 to supply air tolower its associated shove-upunit' 82 82 is under control of the secondfollowing table to be indexed. By way of example (Fig; 7), the shiftingof shove-up control valve I35 to supply air to move its unit 82 downoccurs when the pilot valve I39 of the table- EE is actuated.

The conveyer H5 (Fig. 1) is driven by one of three sprocket wheels I Itcoupled to speed re duction unit I18 (Fig; 6) driven by a belt HIE!extending betweenv it and a pulley I20 on the end of the main driveshaft 29'. Ware delivered to conveyor-.1115 may be. removed:there'fronlr in"- desiredmanner, for example, as by sweeping it onto astraight line conveyer.

Lubrication For the purpose of lubricating and assisting in cooling themolds, valves and plungers, p y guns Ia, 2a, 3a, and lb, 21) and 3b(Fig. '7) are associated with tables 55 -55 as necessary to directsprays towards molds 56 -46 while in their unloading positions andtowards the plungers such as 95 which have been last employed. Aspreviously mentioned, application of air to the spray guns is throughvalves adapted to be actuated by cams of the respective tables. Forexample, the guns 2a and 2b, associated with the table 52 are undercontrol of a valve I4I associated with the table 55 Spraying of a mold,valve and plunger at table 55 accordingly occurs while the table 55 isindexing.

Operation As shown, the table 55 located at position 3 (Fig. 7) has justbeen indexed and, for the purpose of describing the sequence ofoperations, those occurring during the next one-third revolution of themain drive shaft It required to index the table 55 at position I willnow be described. During this movement the lobe I28 on the under side ofcam I30 engages and actuates the pilot valve I2! which is individual tothe table 55 which causes the associated control valve i25 to shift andsupply air to the upper end of unit 98 causing ram 91 of the table 55 tobe lowered to press a charge previously deposited in the moldthereunder; shear pilot valve I32 is operated by the lobe I3I of camI3!) to efiect the release of a charge of glass into the glassdistributing member 8I which, in the newly adjusted position willdeliver the charge into a mold of the table 55 just after the indexingmovement has ceased; and the lobe I26 of cam I26 causes the controlvalve I25 to shift as required to supply air to its unit 99 to raise itsram 91 The indexing of the table 55 brings a previously charged moldunder its pressing plunger, while its cams I3'I actuate the associatedpilot valves I36 I39 and air supply valve I4I Pilot valve I36 causescontrol valve I35 to shift and supply air to raise its shove-up unit 82whereupon the article which is raised clear of its mold by suchoperation is delivered to conveyer II by air issuing from the associatednozzle I42 as already mentioned. Actuation of pilot valve I39 causes thecontrol valve I35 to shift to lower its shove-up unit 82 and air supplyvalve [M upon actuation feeds air to spray guns 2a and 2b associatedwith table 55 to direct lubricant against plunger and mold unitsthereof.

During the second one-third revolution of shaft I6 the table 55 isindexed. During this movement the lobe I28 on the under side of cam I30engages and actuates pilot valve I21 associated control valve I25 beingcaused to shift and supply air to the upper end of unit 99 causing ram91 to be lowered to press the charge previously deposited in the moldthereunder; shear pilot va1ve I32 is operated to efiect the release of acharge of glass into the glassdistributing member BI which, in the newlyadjusted position will deliver the charge into a mold of the table 55just after the indexing movement has ceased; and cam lobe I26 shiftscontrol valve I25 causing it to supply air to its unit 99 to raise itsram 91 The indexing of table 55 brings a'previously charged mold underits pressing. plunger, while. its

cams I3I actuate'the associated pilot valves I36 and I39 and air supplyvalve I M Pilot valve I36 causes control valve I35 of table 55 to shiftand supply air to raise its shove-up unit 82 whereupon the article whichis raised clear of its mold by such operation is delivered to conveyer II5 by air issuing from the associated nozzle I42 as already mentioned.Pilot va1ve I39 causes the control valve I35 to shift to lower itsshove-up unit 82 and air supply va1ve H associated with the table atposition 2 feeds air to spray guns 3a. and '32) associated with thetable 55 to direct lubricant against plunger and mold units thereof.

As the revolution of shaft I6 is being completed, table 55 is indexed.During this movement the lobe I28 .on the underside of cam I30 engagesand actuates that pilot va1ve I27 which is individual to table 55 whichcauses the associated control valve I25 to shift and supply air to theupper end of unit 99 causing ram 91 to be lowered to press the chargepreviously deposited in the mold thereunder; shear pilot valve I32 isoperated to effect the release of a charge of glass into the glassdistributing member which, in the newly adjusted position, will deliverthe charge into a. mold of the table 55 just after the indexing movementhas ceased; and the lobe I29 of cam I25 shifts control valve I25 asrequired to supply air to its unit 99 to raise its ram 97 The indexingof the table 55 brings a previously charged mold under its pressingplunger, while its cam I37 actuates the associated pilot valves I36 I39and air supply valve Hi Pilot valve I36 causes control valve I35 toshift and supply air to raise its shove-up unit 82 whereupon the articlewhich is raised clear of its mold by such operation is delivered toconveyer I I5 by air issuing from the associated nozzle M2 as will beclearly understood. Pilot valve I39 causes the control valve I35 toshift to lower its shove-up unit 82 and air supply valve I lI feeds airto spray guns Ia and lb to direct lubricant against plunger and moldunits thereof.

Adjustabz'lity It is to be noted that with the glass charge distributingmember ill in the angular position shown with respect to the table driveroller 42 a mold of the table at position 1 is charged substantially atthe same time that a previously charged mold on the same table is beingpressed, so that the time provided for the charge to settle isrelatively long. This, however, need not be the case, since by merelyshifting the position of the distributing member 8i the charge can bedeposited in a mold of the table at position 2 or 3 while a charge moldof the table at position 1 is being pressed. Further variation of thetime lapse between charging and pressing can be effected by shifting theposition of shear pilot valve I32. Also, whereas in the presentdisclosure the position of the lobe I28 is such that pressing at anytable occurs substantially as soon as the table has been brought to astop, by shifting the position of lobe I28 on cam I30 the time ofpressing can be changed. Similarly, by shifting cam I25, the time atwhich its lobe I26 operates the control valves I25 I 25 can be advancedor retarded to vary the period of dwell of a plunger-within a mold. Aswill be observed (Fig. 1), valves BB -I36 I39 I39 and I4I MI actuated bytable cams I31 I3l' may also be shifted to modify the timing of theoperations under their control to establishbest. operating conditions.

Although in the foregoing there has been shown and described thepreferred embodiment of the invention, it is to be understood that minorchanges in the details of construction and combination of parts may beresorted to without departing from the spirit and scope of the inventionas claimed.

I claim:

1. In a glass working machine, three tableunits arranged in a triangle,a driven wheel for each table unit arranged concentric thereto, anendless conveyer surrounding the table units, a driver for successivelyengaging the respective wheels to turn them in sequence, means forsupplying charges of glass to the respective units in succession, andmeans whereby the respective units fabricate the charges received intoware and deliver it to said conveyer.

2. In a glass workin machine, a group of three table units arranged inlike relation to the axial center of the machine, a wheel for each unitarranged concentric thereto, a drive shaft passing through the axialcenter of the machine havingassociated means adapted to successivelyturn said wheels whereby each unit is indexed in turn, and means forpositively locking two of the table units against turning movement whilethe remaining table unit is being turned.

3. In a glass working machine, a group of glass working units arrangedin like relation to the axial center of the machine, drive wheels forsaid units, continuously rotatable driving means successivelycooperative with said drive wheels to impart turning movements theretoabout their own axial centers in succession, a drive shaft for saiddriving means, charge receiving means carried by said shaft, andequipment for guiding charges delivered to said receiving means to therespective units.

4. In a glass working machine, a group of glass working units eachrotatable about its own axial center and each having a plurality offabricating assemblies, a drive wheel for each unit arranged coaxialtherewith, driving means rotatable about the axial center of the machineadapted to impart turning movements to said wheels in succession, ashaft supporting said driving means, charge receiving and distributingmeans actuated by said shaft to distribute charges in succession to therespective units, and means associated with each unit for guidingcharges into the respective fabricating assemblies thereof.

5. In a glass working machine, three table units arranged in a triangle,a drive wheel associated with each table unit, a driver for successivelyengaging the respective drive wheels to turn them in sequence, drivemeans for said driver, means for supplying charges of glass to saidunits in succession, means associated with each unit operated undercontrol of said drive means to fabricate received charges into finishedware, and

6. In a mechanical movement, three wheels each having six equally andalternately spaced driving and locking channels, said wheels beingarranged in the same plane and with their axes parallel and positionedat the apices of an equilateral triangle, respectively, and beinggrouped substantially as near to the center of such equilateral triangleas their peripheries will permit, a single drive means pivoted about thecenter of such equilateral triangle for successively engaging thedriving channels of said wheels to impart rotary movement thereto, andmeans associated with said drive means simultaneously cooperative withthe locking channels of two of said Wheels to lock them against rotationwhile the remaining wheel is being rotated, the arrangement of saidwheels being such that the drive means engages a driving channel of thenext wheel to be rotated before it leaves a driving channel of the wheelbeing rotated.

7. In a mechanical movement, three wheel each having six equally spaceddriving channels, said wheels being arranged in the same plane withtheir axes parallel and positioned at the apices of an equilateraltriangle, respectively, and being grouped substantially as near to thecenter of such equilateral triangle as their peripheries will permit,and driving means pivoted about the center of such equilateral trianglefor successively engaging the driving channels of said wheels to impartrotary movement thereto, the arrangement of said wheels being such thatthe driving means engages a driving channel of the next wheel to berotated before it leaves a driving channel of the wheel being rotated.

CHARLES A. SCHUCK.

REFERENCES CITED The following references are of record in the file ofthis patent:

UNITED STATES PATENTSv Number Name Date Re. 16,077 Jenkins May 19, 1925157,722 Paine Dec. 15, 1874 347,294 I-Iaskin Aug, 10, 1886 1,343,987Stewart June 22, 1920 1,499,522 Hall 1 July 1, 1924 1,571,653 TextoriusFeb. 2, 1926 2,143,696 Holmes et al. Jan. 10, 1939 2,167,919 WadsworthAug. 1, 1939 2,235,047 Sloan Mar. 18, 1941 2,267,236 Goodrich Dec. 23,1941 2,409,300 Miles Oct. 15, 1946 FOREIGN PATENTS Number Country Date507,588 Great Britain June 19, 1939 Great Britain i May 12, 1942

